Never darken my door again
Definition 1 of 1
Pro Tip 1/3Strong Emotion
This phrase expresses strong anger or disapproval towards someone. 
She was so furious that she screamed, 'Never darken my door again!'
Pro Tip 2/3Relationship Break
Used when ending a relationship or association permanently. 
After the betrayal, the boss said, 'You're fired. Never darken my door again.'
Pro Tip 3/3Dramatic Effect
It's often used for dramatic effect in stories or heated conversations. 
In the heated climax of the play, the protagonist shouted, 'Never darken my door again!'